espressif: fix deinit to track that it freed its pcnt unit

jepler · jepler · commit 46a4393e0ce9 · 2023-12-24T10:49:59.000-06:00
otherwise, check_for_deinit would not notice the unit was deinitialized,
and calling deinit a second time could release resources in use by
another object.
diff --git a/ports/espressif/common-hal/rotaryio/IncrementalEncoder.c b/ports/espressif/common-hal/rotaryio/IncrementalEncoder.c
@@ -97,6 +97,7 @@ void common_hal_rotaryio_incrementalencoder_deinit(rotaryio_incrementalencoder_o
     reset_pin_number(self->pin_a);
     reset_pin_number(self->pin_b);
     peripherals_pcnt_deinit(&self->unit);
+    self->unit = PCNT_UNIT_MAX;
 }
 
 mp_int_t common_hal_rotaryio_incrementalencoder_get_position(rotaryio_incrementalencoder_obj_t *self) {

Original file line number	Diff line number	Diff line change
`@@ -97,6 +97,7 @@ void common_hal_rotaryio_incrementalencoder_deinit(rotaryio_incrementalencoder_o`
`97`	`97`	`reset_pin_number(self->pin_a);`
`98`	`98`	`reset_pin_number(self->pin_b);`
`99`	`99`	`peripherals_pcnt_deinit(&self->unit);`
	`100`	`+ self->unit = PCNT_UNIT_MAX;`
`100`	`101`	`}`
`101`	`102`
`102`	`103`	`mp_int_t common_hal_rotaryio_incrementalencoder_get_position(rotaryio_incrementalencoder_obj_t *self) {`